src/primitives/Molecule.cpp

/*
 * Copyright (C) 2000-2004  Object Oriented Parallel Simulation Engine (OOPSE) project
 * 
 * Contact: oopse@oopse.org
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 * All we ask is that proper credit is given for our work, which includes
 * - but is not limited to - adding the above copyright notice to the beginning
 * of your source code files, and to any copyright notice that you may distribute
 * with programs based on this work.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

/**
 * @file Molecule.cpp
 * @author    tlin
 * @date  10/28/2004
 * @version 1.0
 */ 

#include <algorithm>
#include <set>

#include "primitives/Molecule.hpp"
#include "utils/MemoryUtils.hpp"

namespace oopse {
Molecule::Molecule(int stampId, int globalIndex, const std::string& molName) 
    : stampId_(stampId), globalIndex_(globalIndex), moleculeName_(molName) {

}

Molecule::~Molecule() {

    MemoryUtils::deleteVectorOfPointer(atoms_);
    MemoryUtils::deleteVectorOfPointer(bonds_);
    MemoryUtils::deleteVectorOfPointer(bends_);
    MemoryUtils::deleteVectorOfPointer(torsions_);
    MemoryUtils::deleteVectorOfPointer(rigidBodies_);
    MemoryUtils::deleteVectorOfPointer(cutoffGroups_);

    //integrableObjects_ don't own the objects
    integrableObjects_.clear();
    
}

void Molecule::addAtom(Atom* atom) {
    if (std::find(atoms_.begin(), atoms_.end(), atom) == atoms_.end()) {
        atoms_.push_back(atom);
    }
}

void Molecule::addBond(Bond* bond) {
    if (std::find(bonds_.begin(), bonds_.end(), bond) == bonds_.end()) {
        bonds_.push_back(bond);
    }
}

void Molecule::addBend(Bend* bend) {
    if (std::find(bends_.begin(), bends_.end(), bend) == bends_.end()) {
        bends_.push_back(bend);
    }
}

void Molecule::addTorsion(Torsion* torsion) {
    if (std::find(torsions_.begin(), torsions_.end(), torsion) == torsions_.end()) {
        torsions_.push_back(torsion);
    }
}

void Molecule::addRigidBody(RigidBody *rb) {
    if (std::find(rigidBodies_.begin(), rigidBodies_.end(), rb) == rigidBodies_.end()) {
        rigidBodies_.push_back(rb);
    }
}

void Molecule::addCutoffGroup(CutoffGroup* cp) {
    if (std::find(cutoffGroups_.begin(), cutoffGroups_.end(), cp) == cutoffGroups_.end()) {
        cutoffGroups_.push_back(cp);
    }

}

void Molecule::complete() {
    
    std::set<Atom*> allAtoms;
    allAtoms.insert(atoms_.begin(), atoms_.end());

    std::set<Atom*> rigidAtoms;
    RigidBody* rb;
    std::vector<RigidBody*>::iterator rbIter;

    
    for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
        rigidAtoms.insert(rb->getBeginAtomIter(), rb->getEndAtomIter());
    }

    //find all free atoms (which do not belong to rigid bodies)  
    //performs the "difference" operation from set theory,  the output range contains a copy of every
    //element that is contained in [allAtoms.begin(), allAtoms.end()) and not contained in 
    //[rigidAtoms.begin(), rigidAtoms.end()).
    std::set_difference(allAtoms.begin(), allAtoms.end(), rigidAtoms.begin(), rigidAtoms.end(),
                            std::back_inserter(integrableObjects_));

    if (integrableObjects_.size() != allAtoms.size() - rigidAtoms.size()) {
        //Some atoms in rigidAtoms are not in allAtoms, something must be wrong
        sprintf(painCave.errMsg, "Atoms in rigidbody are not in the atom list of the same molecule");

        painCave.isFatal = 1;
        simError();        
    }

    integrableObjects_.insert(integrableObjects_.end(), rigidBodies_.begin(), rigidBodies_.end());
}

Atom* Molecule::beginAtom(std::vector<Atom*>::iterator& i) {
    i = atoms_.begin();
    return (i == atoms_.end()) ? NULL : *i;
}

Atom* Molecule::nextAtom(std::vector<Atom*>::iterator& i) {
    ++i;
    return (i == atoms_.end()) ? NULL : *i;    
}

Bond* Molecule::beginBond(std::vector<Bond*>::iterator& i) {
    i = bonds_.begin();
    return (i == bonds_.end()) ? NULL : *i;
}

Bond* Molecule::nextBond(std::vector<Bond*>::iterator& i) {
    ++i;
    return (i == bonds_.end()) ? NULL : *i;    

}


Bend* Molecule::beginBend(std::vector<Bend*>::iterator& i) {
    i = bends_.begin();
    return (i == bends_.end()) ? NULL : *i;
}

Bend* Molecule::nextBend(std::vector<Bend*>::iterator& i) {
    ++i;
    return (i == bends_.end()) ? NULL : *i;    
}

Torsion* Molecule::beginTorsion(std::vector<Torsion*>::iterator& i) {
    i = torsions_.begin();
    return (i == torsions_.end()) ? NULL : *i;
}

Torsion* Molecule::nextTorsion(std::vector<Torsion*>::iterator& i) {
    ++i;
    return (i == torsions_.end()) ? NULL : *i;    
}    

RigidBody* Molecule::beginRigidBody(std::vector<RigidBody*>::iterator& i) {
    i = rigidBodies_.begin();
    return (i == rigidBodies_.end()) ? NULL : *i;
}

RigidBody* Molecule::nextRigidBody(std::vector<RigidBody*>::iterator& i) {
    ++i;
    return (i == rigidBodies_.end()) ? NULL : *i;    
}

StuntDouble* Molecule::beginIntegrableObject(std::vector<StuntDouble*>::iterator& i) {
    i = integrableObjects_.begin();
    return (i == integrableObjects_.end()) ? NULL : *i;
}

StuntDouble* Molecule::nextIntegrableObject(std::vector<StuntDouble*>::iterator& i) {
    ++i;
    return (i == integrableObjects_.end()) ? NULL : *i;    
}    

CutoffGroup* Molecule::beginCutoffGroup(std::vector<CutoffGroup*>::iterator& i) {
    i = cutoffGroups_.begin();
    return (i == cutoffGroups_.end()) ? NULL : *i;
}

CutoffGroup* Molecule::nextCutoffGroup(std::vector<CutoffGroup*>::iterator& i) {            
    ++i;
    return (i == cutoffGroups_.end()) ? NULL : *i;    
} 

void Molecule::calcForces() {
    RigidBody* rb;
    Bond* bond;
    Bend* bend;
    Torsion* torsion;
    std::vector<RigidBody*>::iterator rbIter;
    std::vector<Bond*>::iterator bondIter;;
    std::vector<Bend*>::iterator bendIter;
    std::vector<Torsion*>::iterator torsionIter;

    for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
        rb->updateAtoms();
    }

    for (bond = beginBond(bondIter); bond != NULL; bond = nextBond(bondIter)) {
        bond->calc_forces();
    }

    for (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) {
        bend->calc_forces();
    }

    for (torsion = beginTorsion(torsionIter); torsion != NULL; torsion = nextTorsion(torsionIter)) {
        torsion->calc_forces();
    }
    
}

double Molecule::getPotential() {
    //RigidBody* rb;
    Bond* bond;
    Bend* bend;
    Torsion* torsion;
    //std::vector<RigidBody*> rbIter;
    std::vector<Bond*>::iterator bondIter;;
    std::vector<Bend*>::iterator bendIter;
    std::vector<Torsion*>::iterator torsionIter;

    double potential = 0;
    
    //for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
    //    rb->updateAtoms();
    //}

    for (bond = beginBond(bondIter); bond != NULL; bond = nextBond(bondIter)) {
        potential += bond->get_potential();
    }

    for (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) {
        potential += bend->get_potential();
    }

    for (torsion = beginTorsion(torsionIter); torsion != NULL; torsion = nextTorsion(torsionIter)) {
        potential += torsion->get_potential();
    }
    
    return potential;
}

Vector3d Molecule::getCom() {
    StuntDouble* sd;
    std::vector<StuntDouble*>::iterator i;
    Vector3d com;
    double totalMass = 0;
    double mass;
    
    for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){
        mass = sd->getMass();
        totalMass += mass;
        com += sd->getPos() * mass;    
    }

    com /= totalMass;

    return com;
}

void Molecule::moveCom(const Vector3d& delta) {
    StuntDouble* sd;
    std::vector<StuntDouble*>::iterator i;
    
    for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){
        sd->setPos(sd->getPos() + delta);
    }

}

Vector3d Molecule::getComVel() {
    StuntDouble* sd;
    std::vector<StuntDouble*>::iterator i;
    Vector3d velCom;
    double totalMass = 0;
    double mass;
    
    for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){
        mass = sd->getMass();
        totalMass += mass;
        velCom += sd->getVel() * mass;    
    }

    velCom /= totalMass;

    return velCom;
}

std::ostream& operator <<(std::ostream& o, Molecule& mol) {
    o << std::endl;
    o << "Molecule " << mol.getGlobalIndex() << "has: " << std::endl;
    o << mol.getNAtoms() << " atoms" << std::endl;
    o << mol.getNBonds() << " bonds" << std::endl;
    o << mol.getNBends() << " bends" << std::endl;
    o << mol.getNTorsions() << " torsions" << std::endl;
    o << mol.getNRigidBodies() << " rigid bodies" << std::endl;
    o << mol.getNIntegrableObjects() << "integrable objects" << std::endl;
    o << mol.getNCutoffGroups() << "cutoff groups" << std::endl;

    return o;
}

}//end namespace oopse
Revision:	1733
Committed:	Fri Nov 12 06:19:04 2004 UTC (19 years, 7 months ago) by tim
File size:	9532 byte(s)
Log Message:	OOPSE = Object-Obfuscated Parallel Simulation Engine
#	User	Rev	Content
1	tim	1692	/*
2			* Copyright (C) 2000-2004 Object Oriented Parallel Simulation Engine (OOPSE) project
3			*
4			* Contact: oopse@oopse.org
5			*
6			* This program is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU Lesser General Public License
8			* as published by the Free Software Foundation; either version 2.1
9			* of the License, or (at your option) any later version.
10			* All we ask is that proper credit is given for our work, which includes
11			* - but is not limited to - adding the above copyright notice to the beginning
12			* of your source code files, and to any copyright notice that you may distribute
13			* with programs based on this work.
14			*
15			* This program is distributed in the hope that it will be useful,
16			* but WITHOUT ANY WARRANTY; without even the implied warranty of
17			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18			* GNU Lesser General Public License for more details.
19			*
20			* You should have received a copy of the GNU Lesser General Public License
21			* along with this program; if not, write to the Free Software
22			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23			*
24			*/
25	gezelter	1490
26	tim	1692	/**
27			* @file Molecule.cpp
28			* @author tlin
29			* @date 10/28/2004
30			* @version 1.0
31			*/
32	gezelter	1490
33	tim	1692	#include <algorithm>
34	tim	1695	#include <set>
35	gezelter	1490
36	tim	1695	#include "primitives/Molecule.hpp"
37			#include "utils/MemoryUtils.hpp"
38
39	tim	1692	namespace oopse {
40	tim	1733	Molecule::Molecule(int stampId, int globalIndex, const std::string& molName)
41			: stampId_(stampId), globalIndex_(globalIndex), moleculeName_(molName) {
42	gezelter	1490
43	tim	1733	}
44
45	tim	1692	Molecule::~Molecule() {
46	gezelter	1490
47	tim	1695	MemoryUtils::deleteVectorOfPointer(atoms_);
48			MemoryUtils::deleteVectorOfPointer(bonds_);
49			MemoryUtils::deleteVectorOfPointer(bends_);
50			MemoryUtils::deleteVectorOfPointer(torsions_);
51			MemoryUtils::deleteVectorOfPointer(rigidBodies_);
52			MemoryUtils::deleteVectorOfPointer(cutoffGroups_);
53	gezelter	1490
54	tim	1695	//integrableObjects_ don't own the objects
55	tim	1692	integrableObjects_.clear();
56
57	gezelter	1490	}
58
59	tim	1692	void Molecule::addAtom(Atom* atom) {
60	tim	1695	if (std::find(atoms_.begin(), atoms_.end(), atom) == atoms_.end()) {
61	tim	1692	atoms_.push_back(atom);
62			}
63			}
64	gezelter	1490
65	tim	1692	void Molecule::addBond(Bond* bond) {
66	tim	1695	if (std::find(bonds_.begin(), bonds_.end(), bond) == bonds_.end()) {
67	tim	1692	bonds_.push_back(bond);
68			}
69			}
70	gezelter	1490
71	tim	1692	void Molecule::addBend(Bend* bend) {
72	tim	1695	if (std::find(bends_.begin(), bends_.end(), bend) == bends_.end()) {
73	tim	1692	bends_.push_back(bend);
74			}
75			}
76	gezelter	1490
77	tim	1692	void Molecule::addTorsion(Torsion* torsion) {
78	tim	1695	if (std::find(torsions_.begin(), torsions_.end(), torsion) == torsions_.end()) {
79	tim	1692	torsions_.push_back(torsion);
80			}
81			}
82	gezelter	1490
83	tim	1692	void Molecule::addRigidBody(RigidBody *rb) {
84	tim	1695	if (std::find(rigidBodies_.begin(), rigidBodies_.end(), rb) == rigidBodies_.end()) {
85	tim	1692	rigidBodies_.push_back(rb);
86			}
87	gezelter	1490	}
88
89	tim	1692	void Molecule::addCutoffGroup(CutoffGroup* cp) {
90	tim	1695	if (std::find(cutoffGroups_.begin(), cutoffGroups_.end(), cp) == cutoffGroups_.end()) {
91	tim	1692	cutoffGroups_.push_back(cp);
92			}
93	gezelter	1490
94	tim	1692	}
95	gezelter	1490
96	tim	1692	void Molecule::complete() {
97
98			std::set<Atom*> allAtoms;
99			allAtoms.insert(atoms_.begin(), atoms_.end());
100	gezelter	1490
101	tim	1692	std::set<Atom*> rigidAtoms;
102			RigidBody* rb;
103	tim	1695	std::vector<RigidBody*>::iterator rbIter;
104	gezelter	1490
105	tim	1692
106			for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
107	tim	1695	rigidAtoms.insert(rb->getBeginAtomIter(), rb->getEndAtomIter());
108	tim	1692	}
109	gezelter	1490
110	tim	1692	//find all free atoms (which do not belong to rigid bodies)
111			//performs the "difference" operation from set theory, the output range contains a copy of every
112			//element that is contained in [allAtoms.begin(), allAtoms.end()) and not contained in
113			//[rigidAtoms.begin(), rigidAtoms.end()).
114			std::set_difference(allAtoms.begin(), allAtoms.end(), rigidAtoms.begin(), rigidAtoms.end(),
115			std::back_inserter(integrableObjects_));
116	gezelter	1490
117	tim	1692	if (integrableObjects_.size() != allAtoms.size() - rigidAtoms.size()) {
118			//Some atoms in rigidAtoms are not in allAtoms, something must be wrong
119	tim	1733	sprintf(painCave.errMsg, "Atoms in rigidbody are not in the atom list of the same molecule");
120
121			painCave.isFatal = 1;
122			simError();
123	tim	1692	}
124	gezelter	1490
125	tim	1692	integrableObjects_.insert(integrableObjects_.end(), rigidBodies_.begin(), rigidBodies_.end());
126	gezelter	1490	}
127
128	tim	1692	Atom* Molecule::beginAtom(std::vector<Atom*>::iterator& i) {
129			i = atoms_.begin();
130			return (i == atoms_.end()) ? NULL : *i;
131			}
132	gezelter	1490
133	tim	1692	Atom* Molecule::nextAtom(std::vector<Atom*>::iterator& i) {
134			++i;
135			return (i == atoms_.end()) ? NULL : *i;
136			}
137	gezelter	1490
138	tim	1692	Bond* Molecule::beginBond(std::vector<Bond*>::iterator& i) {
139			i = bonds_.begin();
140			return (i == bonds_.end()) ? NULL : *i;
141			}
142	gezelter	1490
143	tim	1692	Bond* Molecule::nextBond(std::vector<Bond*>::iterator& i) {
144			++i;
145			return (i == bonds_.end()) ? NULL : *i;
146	gezelter	1490
147	tim	1692	}
148	gezelter	1490
149
150	tim	1692	Bend* Molecule::beginBend(std::vector<Bend*>::iterator& i) {
151			i = bends_.begin();
152			return (i == bends_.end()) ? NULL : *i;
153	gezelter	1490	}
154
155	tim	1692	Bend* Molecule::nextBend(std::vector<Bend*>::iterator& i) {
156			++i;
157			return (i == bends_.end()) ? NULL : *i;
158			}
159	gezelter	1490
160	tim	1692	Torsion* Molecule::beginTorsion(std::vector<Torsion*>::iterator& i) {
161			i = torsions_.begin();
162			return (i == torsions_.end()) ? NULL : *i;
163			}
164	gezelter	1490
165	tim	1692	Torsion* Molecule::nextTorsion(std::vector<Torsion*>::iterator& i) {
166			++i;
167			return (i == torsions_.end()) ? NULL : *i;
168			}
169	gezelter	1490
170	tim	1692	RigidBody* Molecule::beginRigidBody(std::vector<RigidBody*>::iterator& i) {
171			i = rigidBodies_.begin();
172			return (i == rigidBodies_.end()) ? NULL : *i;
173			}
174	gezelter	1490
175	tim	1692	RigidBody* Molecule::nextRigidBody(std::vector<RigidBody*>::iterator& i) {
176			++i;
177			return (i == rigidBodies_.end()) ? NULL : *i;
178			}
179	gezelter	1490
180	tim	1692	StuntDouble* Molecule::beginIntegrableObject(std::vector<StuntDouble*>::iterator& i) {
181			i = integrableObjects_.begin();
182			return (i == integrableObjects_.end()) ? NULL : *i;
183	gezelter	1490	}
184
185	tim	1692	StuntDouble* Molecule::nextIntegrableObject(std::vector<StuntDouble*>::iterator& i) {
186			++i;
187			return (i == integrableObjects_.end()) ? NULL : *i;
188			}
189	gezelter	1490
190	tim	1692	CutoffGroup* Molecule::beginCutoffGroup(std::vector<CutoffGroup*>::iterator& i) {
191			i = cutoffGroups_.begin();
192			return (i == cutoffGroups_.end()) ? NULL : *i;
193	gezelter	1490	}
194
195	tim	1692	CutoffGroup* Molecule::nextCutoffGroup(std::vector<CutoffGroup*>::iterator& i) {
196			++i;
197			return (i == cutoffGroups_.end()) ? NULL : *i;
198			}
199	gezelter	1490
200	tim	1692	void Molecule::calcForces() {
201			RigidBody* rb;
202			Bond* bond;
203			Bend* bend;
204			Torsion* torsion;
205	tim	1695	std::vector<RigidBody*>::iterator rbIter;
206			std::vector<Bond*>::iterator bondIter;;
207			std::vector<Bend*>::iterator bendIter;
208			std::vector<Torsion*>::iterator torsionIter;
209	gezelter	1490
210	tim	1692	for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
211			rb->updateAtoms();
212	gezelter	1490	}
213
214	tim	1692	for (bond = beginBond(bondIter); bond != NULL; bond = nextBond(bondIter)) {
215	tim	1701	bond->calc_forces();
216	tim	1692	}
217	gezelter	1490
218	tim	1692	for (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) {
219	tim	1701	bend->calc_forces();
220	tim	1692	}
221	gezelter	1490
222	tim	1692	for (torsion = beginTorsion(torsionIter); torsion != NULL; torsion = nextTorsion(torsionIter)) {
223	tim	1701	torsion->calc_forces();
224	gezelter	1490	}
225	tim	1692
226	gezelter	1490	}
227
228	tim	1692	double Molecule::getPotential() {
229			//RigidBody* rb;
230			Bond* bond;
231			Bend* bend;
232			Torsion* torsion;
233			//std::vector<RigidBody*> rbIter;
234	tim	1695	std::vector<Bond*>::iterator bondIter;;
235			std::vector<Bend*>::iterator bendIter;
236			std::vector<Torsion*>::iterator torsionIter;
237	gezelter	1490
238	tim	1692	double potential = 0;
239
240			//for (rb = beginRigidBody(rbIter); rb != NULL; rb = nextRigidBody(rbIter)) {
241			// rb->updateAtoms();
242			//}
243	gezelter	1490
244	tim	1692	for (bond = beginBond(bondIter); bond != NULL; bond = nextBond(bondIter)) {
245	tim	1701	potential += bond->get_potential();
246	tim	1692	}
247	gezelter	1490
248	tim	1692	for (bend = beginBend(bendIter); bend != NULL; bend = nextBend(bendIter)) {
249	tim	1701	potential += bend->get_potential();
250	tim	1692	}
251	gezelter	1490
252	tim	1692	for (torsion = beginTorsion(torsionIter); torsion != NULL; torsion = nextTorsion(torsionIter)) {
253	tim	1701	potential += torsion->get_potential();
254	tim	1692	}
255
256			return potential;
257			}
258	gezelter	1490
259	tim	1692	Vector3d Molecule::getCom() {
260			StuntDouble* sd;
261			std::vector<StuntDouble*>::iterator i;
262			Vector3d com;
263			double totalMass = 0;
264			double mass;
265
266			for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){
267			mass = sd->getMass();
268			totalMass += mass;
269			com += sd->getPos() * mass;
270			}
271	gezelter	1490
272	tim	1692	com /= totalMass;
273	gezelter	1490
274	tim	1692	return com;
275			}
276	gezelter	1490
277	tim	1695	void Molecule::moveCom(const Vector3d& delta) {
278	tim	1692	StuntDouble* sd;
279			std::vector<StuntDouble*>::iterator i;
280
281			for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){
282	tim	1695	sd->setPos(sd->getPos() + delta);
283	gezelter	1490	}
284
285			}
286
287	tim	1692	Vector3d Molecule::getComVel() {
288			StuntDouble* sd;
289			std::vector<StuntDouble*>::iterator i;
290			Vector3d velCom;
291			double totalMass = 0;
292			double mass;
293
294			for (sd = beginIntegrableObject(i); sd != NULL; sd = nextIntegrableObject(i)){
295			mass = sd->getMass();
296			totalMass += mass;
297			velCom += sd->getVel() * mass;
298	gezelter	1490	}
299
300	tim	1692	velCom /= totalMass;
301	gezelter	1490
302	tim	1692	return velCom;
303	gezelter	1490	}
304
305	tim	1695	std::ostream& operator <<(std::ostream& o, Molecule& mol) {
306	tim	1692	o << std::endl;
307			o << "Molecule " << mol.getGlobalIndex() << "has: " << std::endl;
308			o << mol.getNAtoms() << " atoms" << std::endl;
309			o << mol.getNBonds() << " bonds" << std::endl;
310			o << mol.getNBends() << " bends" << std::endl;
311			o << mol.getNTorsions() << " torsions" << std::endl;
312			o << mol.getNRigidBodies() << " rigid bodies" << std::endl;
313			o << mol.getNIntegrableObjects() << "integrable objects" << std::endl;
314			o << mol.getNCutoffGroups() << "cutoff groups" << std::endl;
315	gezelter	1490
316	tim	1692	return o;
317			}
318	gezelter	1490
319	tim	1692	}//end namespace oopse